Day
1 of illness:
Only low intensity exercise with symptoms like
sore throat, coughing, runny nose, congested nose.No exercise at all when experiencing muscle/joint pain, headache, fever, malaise, diarrhea, vomiting.
Day 2 of illness:
If body temp >37.5-38 C, or increased coughing, diarrhea, vomiting, do not exercise.
If no fever or malaise and no worsening of “above the neck” symptoms: light exercise with pulse less than 120 bpm for 30-45 minutes, by yourself, indoors if winter.
Day 3 of illness:
If fever and symptoms still present: consult doctor.
If no fever/malaise, and no worsening of initial symptoms: moderate exercise with pulse less than 150 bpm for 45 - 60 min, by yourself, indoors if winter.
Day 4 of illness:
If no symptom relief, no exercise. Go to doctor.
If fever and other symptoms improved, wait 24 hours, then return to exercise.
If new symptoms appear, go to doctor.
(Source: Precision Nutrition)